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Scalar 234
Product Summary
Product Description
Specifications
Part Numbers
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Product Summary
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2 DLT Drives
24 DLT Cartridges
Up To 1.9 TB Capacity
Up To 86 GB/hour Transfer Rate


Product Description
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The Scalar 234 Series provides scalable, multi-drive DLT libraries designed to protect rapidly growing data. The Scalar series includes a broad range of flexible configurations and an upgrade path designed to protect IT departments’ storage investment. Models support up to two DLT drives, up to 24 tape cartridges, and includes a10-position import/export mailbox. On-site upgrades make it easy to increase drive or tape count and to incorporate new drive technologies. The Scalar Series multiple DLTtape drives provide sustained transfer ratings of up to 86 GB per hour and allow simultaneous read/write operations. Reliability is inherent to the Scalar design. This model performs self-calibration routines to assure continued system reliability and simplify service.

Features and Benefits
bulletScalable design protects investment by allowing addition of drive and tape capacity
bulletIntegrated barcode reader provides instant media verification and inventory
bulletFifth-generation media handling technology offers high reliability handling and fast media exchange time (avg. only 10 seconds)
bulletBuilt-in diagnostics perform self-calibration for system reliability and simplified service
bulletField upgradable drives provide scalability and high level of investment protection
bulletTower or rackmount configuration-all models available as freestanding units or can be installed in standard 19-inch racks
bullet10-slot import/export mailbox makes it easy to add and remove media
bulletOne year on-site service included for the highest levels of protection

Notes:
* Capacity and transfer rates assume average 2:1 compression, unless otherwise stated.

Technical Specifications
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Library Configurations
Tape Capacity: 241
Barcode Reader: Standard
10-position Mailbox: Standard
Drives: 22

Drives & Performance
Drive Type: DLT4000 DLT7000 DLT8000
Library Capacity3
234 with 24 tapes: 960 GB 1.68 TB 1.92 TB
Transfer Rate per drive
  Native: 90 MB/min. 300 MB/min. 360 MB/min
  with 2:1 Compression: 180 MB/min 600 MB/min 720 MB/min
SCSI Interface: SCSI-2, Fast
SE or HVD
SCSI-2, Fast/Wide
SE or HVD
SCSI-2, Fast/Wide
HVD
File Access Time (Avg): 68 seconds 60 seconds 60 seconds
Data Compression: On-board DCLZ with variable block size
Recording Format: Multiple Track, Linear Serpentine
Data Buffer: 2 MB 8 MB 8 MB
  Cache buffer adjusts to host rates
Media: DLTtape IV DLTtape IV DLTtape IV
Tape Length: 1800 feet 1800 feet 1800 feet
Recording Density: 82,000 bits/in 86,000 bits/in 89,000 bits/in
Tracks Per Tape: 128 208 208

Operation
Cartridge Change: 10 seeconds. maximum
Indicators: Keypad with LCD menu display, power LED, and lock LED
Drive: Write Protected, Tape in Use, Use Cleaning Tape, and Tape Density LEDs; Density Select, Tape Unload controls
Interface:
  DLT4000: Low density, 50-pin
  DLT7000 and DLT8000: High density, 68-pin

Reliability
Hard Error Rate: Less than 1 in 1017 bits read
Tape Shelf Life: 30 years minimum (at 20 °C, 40% RH)
Maintenance: Periodic drive head cleaning with DLT Cleaning Cartridge
MSBF: Greater than 1,000,000 cartridge changes
MTBF: Greater than 80,000 power on hours
MTTR: Less than 30 minutes
Error Correction Code: Reed-Solomon ECC; 64-bit CRC on each 4KB of data; 16-bit CRC on each record; Internal parity checking on cache buffer
Field Replaceable: Drives, Power Supplies, Gripper Assembly, SCSI Cables, Fans, Barcode Reader, Control Electronics Module
Diagnostics: Built-In-Test (BIT), Store/Recall Last 100 Events, “Fault Isolation” Assistance

Physical
Dimensions: 19.5"W x 23.5"D x 40.3"H
(49.5cm x 59.7cm x 102.4cm)
Rack Height Dimensions: 42" (106.7cm) or 24U
Weight: 185 lbs. (84kg) with 4 drives

Environmental
Electrical: 100-240 VAC, 50-60 Hz, 4.0-2.0A
Auto Voltage Select
Altitude: 30,000 ft. (9144m)
Temperature: 10 to 40 °C Operating
Humidity: 20 to 80% Non-Condensing Operating
Noise Level: <45 dBA
Vibration: 0.3g , (5-500-5 Hz ) operating
Tested per ISTA for storage /shipping
Shock: 3g Operating
Impact Tested per ISTA Storage/Shipping
BTU/Hour: 600

Compliance & Certification
Safety: UL-1950/CUL 22.2 No. 950, TUV EN 60950
Emissions: FCC #47, Part 15, Class B, EN 55022
Susceptibility: EN 50082-1
International: CE

Notes:
1 Scalar 234 models have 24 online cartridges and 10 media mailbox positions
2 Can be upgraded to 4 drives
3 With 2:1 compression

Software and Platforms
See the recent ADIC Software Compatibility Guide for a complete list of software and platforms compatible with the Scalar Series.

Part Numbers
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Features DLT4000 DLT7000 DLT8000
ADIC Part Number 99-4030-12 SE
99-4030-14 DIFF
99-4030-22 SE
99-4030-24 DIFF
 
Media Type DLTtape IV DLTtape IV DLTtape IV
Average Tape Capacity 20/40 GB 35/70 GB 40/80 GB
Number of Drives 2 2 2
Total System Capacity up to 960 GB up to 1.68 TB up to 1.92 TB
Recommended System Size 200-250 GB 400-500 GB 500-700 GB
Maximum Transfer Rate with 2 drives 180/360 MB/min 600/1200 MB/min 720/1440 MB/min
Accessories Included 10-position Mailbox
Barcode Reader
Barcode labels (1-99)
Cleaning cartridge
SCSI terminator
Power cord
SE LD50/HD50 6' interface cable or
DIFF LD50/HD68 15' interface cable
10-position Mailbox
Barcode Reader
Barcode labels (1-99)
Cleaning cartridge
SCSI terminator
Power cord
SE LD68/HD68 6' interface cable or
DIFF LD68/HD68 15' interface cable
10-position Mailbox
Barcode Reader
Barcode labels (1-99)
Cleaning cartridge
SCSI terminator
Power cord
SE LD68/HD68 6' interface cable or
DIFF LD68/HD68 15' interface cable
Accessories Required Backup Software
DLTtape Cartridges
Backup Software
DLTtape Cartridges
Backup Software
DLTtape Cartridges
Expansion Drives 93-0147-01 4000 SE
93-0148-01 4000 DIFF
93-0149-01 7000 SE
93-0150-01 7000 DIFF
 
Accessory Options 39-1049-11 DLTtape IV 7pk
93-0801-01 2 Drive Bays
93-0803-01 Rack Mount Kit
10-1338-02 (to -11) Barcode Labels
39-1049-11 DLTtape IV 7pk
93-0801-01 2 Drive Bays
93-0803-01 Rack Mount Kit
10-1338-02 (to -11) Barcode Labels
39-1049-11 DLTtape IV 7pk
93-0801-01 2 Drive Bays
93-0803-01 Rack Mount Kit
10-1338-02 (to -11) Barcode Labels

Notes:
1. SE = Single Ended
DIFF = Differential< /font >
2. Specifications shown are typically for the U.S. and may differ for other countries.

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